CN103600493A - Nozzle origin adjustment and calibration method of 3D printer - Google Patents
Nozzle origin adjustment and calibration method of 3D printer Download PDFInfo
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- CN103600493A CN103600493A CN201310487365.7A CN201310487365A CN103600493A CN 103600493 A CN103600493 A CN 103600493A CN 201310487365 A CN201310487365 A CN 201310487365A CN 103600493 A CN103600493 A CN 103600493A
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Abstract
The invention relates to the field of 3D printing equipment or rapid forming machine technology, especially relates to a nozzle origin adjustment and calibration method of 3D printer. The 3D printer comprises an elevating platform and a working platform, and the elevating platform is equipped with at least three adjusting components, and the working platform and the adjusting components are connected in a fixed connection; edge of the working platform is installed with a calibration test block; the nozzle touches twice at different positions of an outer wall of one straight block at first for obtaining a horizontal coordinate of the two touch points, and a linear equation of the two touch points are obtained by operation; the nozzle repeats the same operation at the outer wall of another straight block for obtaining a coordinate of two linear intersection points by operation, and the coordinate is the horizontal coordinate of the origin of the machine. The invention can provide an arrangement reference for specific position of the working platform for printing workpieces, thereby avoiding the workpiece position exceeds the moving scope of the nozzle when printing, which causes printing problem of the workpiece, and improving qualified rate of workpiece printing.
Description
Technical field
The present invention relates to 3D printing device or rapidform machine technical field, refer in particular to a kind of nozzle initial point adjusting process of 3D printer.
Background technology
The concept of the three Dimensional Printing of Rapid Prototyping technology the earliest people such as the scansE.M. of Shi You Massachusetts Institute Technology (MIT) and cimaMJ. proposed in 1992.3 D-printing is a kind of RP technique based on drop reaction-injection moulding, individual layer printing-forming is similar to ink jet printing process, under the excitation of data signal, make the liquid material in printhead working chamber form drop (Droplets) or form drop by jet in moment, with certain frequency speed, from nozzle, spray and be ejected into assigned address and successively pile up formation Three-dimensional Entity Components.Have at present multiple 3D printing technique, conventional technology comprises binding material 3 D-printing, photocuring 3 D-printing and melted material 3 D-printing etc. at present.
Especially at the FDM(of 3D printer melted extrusion modeling) technical field, existing 3D printer apparatus does not have original point position benchmark, thereby the position that the workpiece that makes printing is positioned on workbench is difficult to hold, when printing larger workpiece, print the moving range that workpiece easily exceeds printing nozzle, thereby cause scrapping of workpiece, to user, bring larger puzzlement.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of simple in structure, not only can determine calibration to the mechanical origin of nozzle, the adjustment of height and gradient can be carried out to workbench, and the nozzle initial point adjusting process of the 3D printer of printing nozzle initial point calibration can be realized.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of nozzle initial point adjusting process of 3D printer, 3D printer comprises hoistable platform and workbench, described hoistable platform is equiped with at least three adjusting parts, workbench is fixedly connected with adjusting part, the edge of workbench is equiped with calibration testing piece, and described calibration testing piece comprises two mutual vertical bar pieces connected vertically, and this vertical bar piece is fixedly connected with a right angle portion of described workbench; Nozzle is first touched twice at the outer wall diverse location of a vertical bar piece, obtain the horizontal coordinate of two touch points, and by computing, obtain the linear equation of these two touch points, nozzle is touched twice at the outer wall diverse location of another vertical bar piece again, obtain the coordinate of two touch points, by computing, obtain equally another linear equation of these two touch points, finally by computing, draw the coordinate of two straight-line intersections, this coordinate is the horizontal coordinate of described mechanical origin.
Further, hoistable platform and workbench drop to behind reference position, nozzle moves to directly over calibration testing piece, workbench is slightly done to decline after rising to touching nozzle, obtain the top side location of calibration testing piece, record the now height coordinate of nozzle, in conjunction with described horizontal coordinate, obtain the three-dimensional coordinate of mechanical origin.
Wherein, described adjusting part comprise be fixed on workbench bolt, be set in the adjustment spring of bolt and the adjusting nut being spirally connected with bolt, described workbench offers through hole, and described bolt is through this through hole, the two ends of adjusting spring respectively with hoistable platform and workbench butt.
Wherein, described adjusting part is three or four.
Wherein, offer the vacuum sucker that is distributed in workbench upper surface on described workbench, workbench is also equiped with is convenient to the gas-tpe fitting that is connected with vacuum-pumping equipment, and vacuum sucker is communicated with described gas-tpe fitting.
Wherein, described vacuum sucker is at least 12, and vacuum sucker is uniformly distributed in the upper surface of workbench.
Wherein, described gas-tpe fitting is positioned at the side of workbench.
Beneficial effect of the present invention is: the nozzle initial point adjusting process that the invention provides a kind of 3D printer, before 3D print job, described calibration testing piece is for the calibration location between nozzle and workbench, after the check and correction accurately of the position of nozzle and the position of calibration testing piece, record three-dimensional location data now, be set as the mechanical origin of workbench, being convenient to provides reference is set at the particular location of workbench printing workpiece, while avoiding printing, the position of workpiece exceeds the moving range of nozzle and the problem that causes workpiece to print, improve the qualification rate that workpiece is printed.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention.
Fig. 2 is the right TV structure schematic diagram of the present invention.
Fig. 3 is the local enlarged diagram of A part in Fig. 1.
Fig. 4 is the local enlarged diagram of B part in Fig. 2.
The specific embodiment
For the ease of those skilled in the art's understanding, below in conjunction with embodiment and accompanying drawing, the present invention is further illustrated, and the content that embodiment is mentioned not is limitation of the invention.
As shown in Figures 1 to 4, the adjusting process of a kind of molding flat and nozzle plane of motion, 3D printer comprises hoistable platform 1 and workbench 2, described hoistable platform 1 is equiped with at least three adjusting parts 3, workbench is fixedly connected with adjusting part 3, the edge of workbench 2 is equiped with calibration testing piece 9, and described calibration testing piece 9 comprises two mutual vertical bar pieces 10 connected vertically, and this vertical bar piece 10 is fixedly connected with a right angle portion of described workbench 2; When determining the horizontal coordinate of mechanical origin, nozzle 11 is first touched twice at the outer wall diverse location of a vertical bar piece 10, obtain the horizontal coordinate of two touch points, and by Computing, obtain the linear equation of these two touch points, nozzle 11 is touched twice at the outer wall diverse location of another vertical bar piece 10 again, obtain the horizontal coordinate of two touch points, by Computing, obtain equally another linear equation of these two touch points, finally by computing, draw the coordinate of two straight-line intersections, this coordinate is the horizontal coordinate of described mechanical origin.
Before 3D print job, described calibration testing piece is for the calibration location between nozzle and workbench, after the check and correction accurately of the position of nozzle and the position of calibration testing piece, record coordinate data now, be set as the mechanical origin of workbench, being convenient to provides reference is set at the particular location of workbench printing workpiece, and while avoiding printing, the position of workpiece exceeds the moving range of nozzle and the problem that causes workpiece to print, improves the qualification rate that workpiece is printed.
In the present embodiment, hoistable platform 1 and workbench 2 drop to behind reference position, nozzle 11 moves to directly over calibration testing piece 9, and workbench 2 is slightly done to decline after rising to touching nozzle, obtains the top side location of calibration testing piece 9, record the now height coordinate of nozzle 11, in conjunction with described horizontal coordinate, obtain the three-dimensional coordinate of mechanical origin, calibration operation is simple and convenient, the user of machinery-free processing experience also can Fast Learning and application, and practicality is stronger.
In the present embodiment, described adjusting part 3 comprise be fixed on workbench 2 bolt 4, be set in the adjustment spring 5 of bolt 4 and the adjusting nut 6 being spirally connected with bolt 4, described workbench 2 offers through hole, described bolt 4 is through this through hole, the two ends of adjusting spring 5 respectively with hoistable platform 1 and workbench 2 butts.
See Fig. 4, before actual 3D prints, need to carry out accurate calibration to the position of workbench 2, by rotation adjusting nut 6, can regulate the fixed position of workbench 2 on bolt 4, four adjusting parts 3 of adjusted in concert, can regulate workbench 2 integral body up or down, and then reach the object of adjusting distance between workbench 2 and the plane of motion of nozzle; When the nut of single adjusting part 3 is regulated, can regulate the depth of parallelism between workbench 2 and the plane of motion of nozzle, make between the two parallel more accurate, greatly improve the printing shaping precision of 3D printer, the rate of reducing the number of rejects and seconds.
Owing to adjusting the effect of spring 5, the appropriate section of workbench 2 all the time with adjusting nut 6 butts, when rotation is during adjusting nut 6, the appropriate section of workbench 2 can move up and down, thereby be convenient to the parastate of Real Time Observation workbench 2 in the process of adjusting nut 6, convenient adjusting.
Certainly, the adjusting part 3 of described hoistable platform 1 installing can also be three, utilize not 3 principles that can determine a plane on same straight line, three adjusting parts 3 can be determined height and the position of workbench 2 equally, equally also can reach above-mentioned technique effect, structure is simpler, and it is more convenient to regulate.
In the present embodiment, offer the vacuum sucker 7 that is distributed in workbench 2 upper surfaces on described workbench 2, workbench 2 is also equiped with is convenient to the gas-tpe fitting 8 that is connected with vacuum-pumping equipment, and vacuum sucker 7 is communicated with described gas-tpe fitting 8.Vacuum-pumping equipment is when work, vacuum sucker 7 is in vacuum suction state, 3D printer is after printing finished piece(s) the most the lower layer of, aspiration effect due to vacuum sucker 7, this layer of structure is adsorbed on the upper surface of workbench 2, thereby effectively prevents that the structure sheaf of having printed from deforming, and further improves the formed precision of printing workpiece, simple in structure, practical.
In the present embodiment, described vacuum sucker 7 is at least 12, and vacuum sucker 7 is uniformly distributed in the upper surface of workbench 2.Concrete, described gas-tpe fitting 8 is positioned at the side of workbench 2, is convenient to vacate more mobile space for printhead, and to prevent that printhead is in moving horizontally process, gas-tpe fitting 8 bumps and damage equipment with printhead.
Above-described embodiment is preferably implementation of the present invention, and in addition, the present invention can also realize by alternate manner, and under the prerequisite that does not depart from the technical program design, any apparent replacement is all within protection scope of the present invention.
Claims (7)
- The nozzle initial point adjusting process of 1.3D printer, 3D printer comprises hoistable platform (1) and workbench (2), it is characterized in that: described hoistable platform (1) is equiped with at least three adjusting parts (3), workbench is fixedly connected with adjusting part (3), the edge of workbench (2) is equiped with calibration testing piece (9), described calibration testing piece (9) comprises two mutual vertical bar pieces connected vertically (10), and this vertical bar piece (10) is fixedly connected with a right angle portion of described workbench (2);Nozzle (11) is first touched twice at the outer wall diverse location of a vertical bar piece (10), obtain the horizontal coordinate of two touch points, and by computing, obtain the linear equation of these two touch points, nozzle (11) is touched twice at the outer wall diverse location of another vertical bar piece (10) again, obtain the horizontal coordinate of two touch points, by computing, obtain equally another linear equation of these two touch points, finally by computing, draw the coordinate of two straight-line intersections, this coordinate is the horizontal coordinate of described mechanical origin.
- 2. the nozzle initial point adjusting process of 3D printer according to claim 1, it is characterized in that: hoistable platform (1) and workbench (2) drop to behind reference position, nozzle (11) moves to directly over calibration testing piece (9), workbench (2) is slightly done to decline after rising to touching nozzle, obtain the top side location of calibration testing piece (9), record the now height coordinate of nozzle (11), in conjunction with described horizontal coordinate, obtain the three-dimensional coordinate of mechanical origin.
- 3. the nozzle initial point adjusting process of 3D printer according to claim 1, it is characterized in that: described adjusting part (3) comprise be fixed on workbench (2) bolt (4), be set in the adjustment spring (5) of bolt (4) and the adjusting nut (6) being spirally connected with bolt (4), described workbench (2) offers through hole, described bolt (4) is through this through hole, the two ends of adjusting spring (5) respectively with hoistable platform (1) and workbench (2) butt.
- 4. the nozzle initial point adjusting process of 3D printer according to claim 1, is characterized in that: described adjusting part (3) is three or four.
- 5. the nozzle initial point adjusting process of 3D printer according to claim 1, it is characterized in that: on described workbench (2), offer the vacuum sucker (7) that is distributed in workbench (2) upper surface, workbench (2) is also equiped with is convenient to the gas-tpe fitting (8) that is connected with vacuum-pumping equipment, and vacuum sucker (7) is communicated with described gas-tpe fitting (8).
- 6. the nozzle initial point adjusting process of 3D printer according to claim 5, is characterized in that: described vacuum sucker (7) is at least 12, and vacuum sucker (7) is uniformly distributed in the upper surface of workbench (2).
- 7. the nozzle initial point adjusting process of 3D printer according to claim 5, is characterized in that: described gas-tpe fitting (8) is positioned at the side of workbench (2).
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| CN201310487365.7A CN103600493B (en) | 2013-10-17 | 2013-10-17 | Nozzle origin adjustment and calibration method of 3D printer |
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| CN201310487365.7A CN103600493B (en) | 2013-10-17 | 2013-10-17 | Nozzle origin adjustment and calibration method of 3D printer |
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| CN103600493A true CN103600493A (en) | 2014-02-26 |
| CN103600493B CN103600493B (en) | 2015-07-15 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105459408A (en) * | 2016-01-29 | 2016-04-06 | 芜湖市爱三迪电子科技有限公司 | Continuous printing 3D printer capable of automatically stripping model |
| CN105500699A (en) * | 2014-09-22 | 2016-04-20 | 三纬国际立体列印科技股份有限公司 | Three-dimensional tabulating machine horizontal correction mechanism |
| CN108215153A (en) * | 2017-12-29 | 2018-06-29 | 南京三迭纪医药科技有限公司 | The system of deviant between a kind of measure 3D printing equipment multiple print head |
| CN111645315A (en) * | 2020-06-12 | 2020-09-11 | 深圳锐沣科技有限公司 | Three-dimensional printing method and device, computer equipment and storage medium |
| US11084219B2 (en) | 2014-10-03 | 2021-08-10 | Hewlett-Packard Development Company, L.P. | Generating a three-dimensional object |
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| US6259962B1 (en) * | 1999-03-01 | 2001-07-10 | Objet Geometries Ltd. | Apparatus and method for three dimensional model printing |
| CN1810492A (en) * | 2005-12-19 | 2006-08-02 | 南京师范大学 | Making process of 3D color object |
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2013
- 2013-10-17 CN CN201310487365.7A patent/CN103600493B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6259962B1 (en) * | 1999-03-01 | 2001-07-10 | Objet Geometries Ltd. | Apparatus and method for three dimensional model printing |
| CN1810492A (en) * | 2005-12-19 | 2006-08-02 | 南京师范大学 | Making process of 3D color object |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105500699A (en) * | 2014-09-22 | 2016-04-20 | 三纬国际立体列印科技股份有限公司 | Three-dimensional tabulating machine horizontal correction mechanism |
| US11084219B2 (en) | 2014-10-03 | 2021-08-10 | Hewlett-Packard Development Company, L.P. | Generating a three-dimensional object |
| CN105459408A (en) * | 2016-01-29 | 2016-04-06 | 芜湖市爱三迪电子科技有限公司 | Continuous printing 3D printer capable of automatically stripping model |
| CN108215153A (en) * | 2017-12-29 | 2018-06-29 | 南京三迭纪医药科技有限公司 | The system of deviant between a kind of measure 3D printing equipment multiple print head |
| CN108215153B (en) * | 2017-12-29 | 2019-08-23 | 南京三迭纪医药科技有限公司 | It is a kind of measurement 3D printing equipment multiple print head between deviant system |
| CN111645315A (en) * | 2020-06-12 | 2020-09-11 | 深圳锐沣科技有限公司 | Three-dimensional printing method and device, computer equipment and storage medium |
| CN111645315B (en) * | 2020-06-12 | 2023-08-25 | 深圳锐沣科技有限公司 | Three-dimensional printing method, three-dimensional printing device, computer equipment and storage medium |
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| CN103600493B (en) | 2015-07-15 |
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Inventor after: Huang Xiangfeng Inventor after: Yang Shuangbao Inventor after: Wu Fengli Inventor before: Huang Xiangfeng Inventor before: Yang Shuangbao Inventor before: Wu Fengli |
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Address after: Xintang village Dalingshan Town 523822 Guangdong city of Dongguan province Xintang New Road No. 90 Applicant after: Guangdong Tuosipuda Machinery Technology Co., Ltd. Address before: Xintang village Dalingshan Town 523822 Guangdong city of Dongguan province Xintang New Road No. 90 Applicant before: Dongguan Top-star Machinery Technology Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: DONGGUAN TUOSIPUDA MACHINERY TECHNOLOGY CO., LTD. TO: GUANGDONG TUOSIPUDA MACHINERY TECHNOLOGY CO., LTD. |
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